There is a Workshop on Privacy in The Electronic Society taking place at the beginning of November. We (George Danezis, Marek Kumpost, Vashek Matyas, and [Dan Cvrcek]) will present there results of A Study on the value of Location……

We have also cut some of the outliers as they were of really high values and the interesting information would be lost in the resulting plots.

1. What is your background (area of study)? ( a) Computer Science, Comp./El./Comm. Engineering, Informatics, b) Law, c) Other areas.)

2. What is your gender?

3. What network do you use for your main mobile phone? (select from the list of local operators).

4. Do you carry a mobile phone with you most of the time? ( a) yes, b) no.)

5. How often do you make irregular movements (such as shopping, going out with a friend, pub, visiting friends)? ( a) Several times a day, b) every day, c) every week, d) every month.)

6. With whom do you communicate using your phone? ( a) Friends, b) family, c) partner, d) business.)

7. How much compensation would you require to participate in our study for 30 days (in whole amounts of local currency)?

8. Text array for free comments. (not required)

This was followed by another two forms changing parameters of study (use of collected data and time span of the tracking).